We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Abstract: Creating a reliable indicator to describe the degradation of ball screws remains a challenging task. Current vibration-based prognostic methods are vulnerable to unknown noise or system ...

Abstract: To enhance the measuring precision and measuring efficiency of the double-headed screw rotor profile, this study proposes an on-machine measurement approach by using the laser displacement ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Testimony continued on Monday, Jan. 12, for the four people charged in the death of a 5-year-old boy killed in a hyperbaric ...